DR. COLLEEN COUGHLIN CLAASSEN M.D.
NPI 1053558932
Pediatrics - Neonatal-Perinatal Medicine in Saint Louis, MO

Q: What is Colleen Claassen's NPI number?

The NPI number for Colleen Claassen is 1053558932. It was assigned to this individual provider in the NPPES registry on January 14, 2009. The provider is also known as Dr. Colleen O'donnell Coughlin M.D..

Q: What is Colleen Claassen's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Q: When was this NPI record last updated?

The NPPES record for Colleen Claassen was last updated on January 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 14, 2009PECOS Enrolled

1465 S GRAND BLVD, SAINT LOUIS, MO 63104(314) 577-5663(314) 268-6410 Get Directions Write a Review

NPPES record last updated: January 15, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 15, 2021, Jun 10, 2019 (2 updates tracked since 2019).

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About Dr. Colleen Coughlin Claassen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. COLLEEN COUGHLIN CLAASSEN M.D. (NPI 1053558932) is an individual neonatal-perinatal medicine provider in Saint Louis, Missouri, licensed in Missouri (2013021231) and active in the NPI registry since January 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1053558932

Entity TypeIndividualFemale

Primary Taxonomy2080N0001X

Provider Legal NameDR. COLLEEN COUGHLIN CLAASSENCredential: M.D.

Location Address1465 S GRAND BLVDSaint Louis, MO 63104-1003

Mailing Address1465 S Grand BlvdSaint Louis, MO 63104-1003 · (314) 577-5663 · Fax (314) 268-6410

Phone(314) 577-5663

Fax(314) 268-6410

Sole ProprietorYes

Enumeration DateJanuary 14, 2009

Last NPPES UpdateJanuary 15, 20212 updates tracked since enumeration

NPPES CertifiedJanuary 15, 2021

✔ NPI 1053558932 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080N0001X

License✔ Licensed in MO · 2013021231

Definition

A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

Also ListedPediatricsTaxonomy 208000000X · License 2013021231 (MO)

1465 S GRAND BLVD, Saint Louis, MO 63104

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Other Names 1

Former Name (1)Dr. Colleen O'donnell Coughlin M.d.

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Colleen Coughlin Claassen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Colleen Claassen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ssm Health Care Group

0.2 mi

Internal Medicine

1225 SOUTH GRAND BLVD, 2L - DOOR 3,4
Saint Louis, MO 63104

Reassigned Medicare billing, Missouri enrollment
1,294 clinicians in this Medicare group

NPI 1306589544 (314) 977-6100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. SARAH MARGARET HANLY PH.D.

Psychologist (Clinical)

1465 S GRAND BLVD
SAINT LOUIS, MO 63104

St. Louis City (314) 577-5667

KAVIPRIYA KOMESWARAN

Pediatrics (Pediatric Critical Care Medicine)

1465 S GRAND BLVD
SAINT LOUIS, MO 63104

St. Louis City (314) 617-2000

ALEXIS HAAS STEWART

Anesthesiologist Assistant

1465 S GRAND BLVD
SAINT LOUIS, MO 63104

St. Louis City (314) 977-5700

NATALIE DRURY RD, LD

Dietitian, Registered (Nutrition, Pediatric)

1465 S GRAND BLVD
SAINT LOUIS, MO 63104

St. Louis City (314) 577-5387

MS. MASHAL AZIZ RANA MBBS

Student in an Organized Health Care Education/Training Program

1465 S GRAND BLVD
ST.LOUIS, MO 63104

St. Louis City (314) 577-5382

TIMOTHY J KUTZ MD

Pediatrics (Child Abuse Pediatrics)

1465 S GRAND BLVD
SAINT LOUIS, MO 63104

St. Louis City (314) 268-6406

CHRISTOPHER SALLEE MD

Pediatrics

1465 S GRAND BLVD
ST. LOUIS, MO 63104

St. Louis City (314) 577-1607

AMBER GRANA DO

Pediatrics (Pediatric Critical Care Medicine)

1465 S GRAND BLVD, DIVISION OF PEDIATRIC CRITICAL CARE
SAINT LOUIS, MO 63104

St. Louis City (314) 577-5695

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Colleen Claassen's NPI number?

The NPI number for Colleen Claassen is 1053558932. It was assigned to this individual provider in the NPPES registry on January 14, 2009. The provider is also known as Dr. Colleen O'donnell Coughlin M.D..

Where is Colleen Claassen located?

Colleen Claassen practices at 1465 S Grand Blvd, Saint Louis, MO 63104. The listed phone number is (314) 577-5663.

What is Colleen Claassen's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Colleen Claassen enrolled in Medicare?

Yes. Colleen Claassen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Colleen Claassen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Colleen Claassen reassigns Medicare benefits to Ssm Health Care Group (Saint Louis, MO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Colleen Claassen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Colleen Claassen accept?

Health plans from Anthem Blue Cross and Blue Shield and Oscar Insurance Company list Colleen Claassen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Colleen Claassen was last updated on January 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.